03 wr450 running rough

1 reply to this topic
  • wrolly450

Posted May 07, 2009 - 01:19 AM


i got a wr450 03 model and it starts fine but when im riding it just cruising along at about half revs it makes a sort of popping noise and lurches a bit. it goes hard when i give it a bit but when its cruising it just runs rough
any sugestions? thanx

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  • chris1968

Posted May 08, 2009 - 11:55 AM


Have a read through the 'FAQ' s on the top of page 1. It could just be the TPS issue. Try disconnecting the 'throttle position sensor' and see if that improves things.


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